ACS 135 of IRPWM...BALLAST PROFILE FOR LWR TRACK (SINGLE LINE B.G.)) Q OF TRACK BALLAST PROFILE LWR...
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ACS 135 of IRPWM...BALLAST PROFILE FOR LWR TRACK (SINGLE LINE B.G.)) Q OF TRACK BALLAST PROFILE LWR ON CST-9 SLEEPER LAID 2.852 1 IN 30 A 1 IN 30 I. The Minimum Clean Stone Ballast
